Table 2 The reported frequencies on missing of all permanent teeth except the third molars
Year | Country | Type | Prevalence | Year | Country | Type | Prevalence | Year | Country | Type | Prevalence |
|---|---|---|---|---|---|---|---|---|---|---|---|
1936 | Switzerland | SC | 3.4 | 1974 | Canada | SC | 7.4 | 2001 | Kenya | OP | 6.3 |
1939 | - | - | 2.3 | 1976 | Sweden | SC | 7.4 | 2001 | Hungary | OP | 15.7 |
1943 | USA | - | 2.8 | 1977 | Iceland | SC | 7.9 | 2001 | Korea | SC | 8.0 |
1949 | Japan | St | 15.9 | 1977 | Sweden | SC | 7.4 | 2002 | Norway | PuDP | 4.5 |
1951 | Japan | SC | 5.6 | 1977 | Japan | - | 8.6 | 2002 | Iraq | OP | 8.9 |
1954 | Japan | SC | 8.7 | 1979 | USA | SC | 7.4 | 2002 | S Arabia | PeDP | 3.6 |
1955 | Japan | DS | 1.4 | 1980 | Denmark | SC | 7.8 | 2003 | Mexico | OP | 2.7 |
1956 | Sweden | SC | 6.1 | 1980 | Denmark | SC | 7.7 | 2005 | Slovenia | OP | 11.3 |
1956 | USA | DP | 3.7 | 1987 | Hong-Kong | SC | 6.9 | 2006 | Japan | OP | 10.1 |
1959 | Sweden | - | 7.4 | 1988 | Japan | OP | 9.9 | 2006 | Jordan | DP | 5.5 |
1961 | USA | DP | 5.2 | 1989 | Malaysia | SC | 2.8 | 2006 | Hungary | OP/PeDP | 14.7 |
1963 | Norway | SC | 4.5 | 1989 | Australia | DP | 6.4 | 2007 | Turkey | OP | 7.5 |
1963 | Austria | SC | 9.6 | 1989 | Italy | DP | 5.2 | 2007 | Turkey | OP | 2.8 |
1963 | Japan | SC | 6.6 | 1989 | USA | PeDP | 7.8 | 2008 | Italy | OP | 9.5 |
1964 | USA | DP | 5.1 | 1989 | S Arabia | DP | 2.2 | 2008 | Japan | PeDP | 9.8 |
1965 | Israel | SC | 0.3 | 1989 | Ireland | - | 11.7 | 2008 | Brazil | PeDP | 4.8 |
1966 | UK | OP | 4.3 | 1989 | Czechoslovakia | - | 4.1 | 2008 | Korea | OP | 11.2 |
1963 | Canada | DP | 4.2 | 1990 | S Arabia | SC | 4.0 | 2009 | Spain | OP | 6.5 |
1966 | USA | - | 6.5 | 1990 | Japan | PeDP | 16.2 | 2009 | Turkey | DP | 73.4 |
1967 | USA | SC | 3.8 | 1990 | Thailand | OP | 8.6 | 2010 | Pakistan | OP | 9.0 |
1967 | USA | SC | 4.1 | 1990 | Australia | DF | 6.3 | 2010 | India | DP | 0.1 |
1968 | Australia | SC | 5.9 | 1990 | Ireland | OP | 11.3 | 2010 | Iran | DP | 9.0 |
1968 | Denmark | SC | 6.1 | 1990 | Yugoslavia-Istria | OP | 6.3 | 2010 | Turkey | OP | 4.6 |
1970 | USA | St | 3.5 | 1990 | Yugoslavia-Slavonia | OP | 2.3 | 2010 | Spain | PHS | 7.3 |
1970 | USA | St | 3.6 | 1991 | Italy | DF | 3.6 | 2010 | Iran | OP | 9.1 |
1971 | Finland | SC | 8.0 | 1992 | Japan | OP | 10.9 | 2010 | S Arabia | OP | 7.0 |
1971 | - | - | 5.5 | 1992 | - | OP | 5.3 | 2010 | Turkey | DP | 1.5 |
1971 | Sweden | SC | 6.3 | 1993 | Norway | SC | 6.5 | 2011 | Korea | OP | 11.3 |
1972 | Japan | SC | 9.2 | 1994 | Germany | OP | 8.1 | 2011 | Korea | DP | 5.7 |
1972 | Japan | OP | 11.0 | 1995 | Japan | PeDP | 2.8 | 2011 | India | DP | 4.5 |
1973 | Israel | - | 4.6 | 1996 | Mexico | OP | 6.3 | 2011 | Germany | OP | 13.1 |
1973 | Denmark | - | 8.2 | 1997 | Iceland | SC | 4.3 | 2012 | Iran | OP | 9.0 |
1973 | Norway | SC | 10.1 | 1997 | Estonia | SC | 14.0 | 2012 | India | SC | 0.3 |
1973 | Sweden | SC | 6.1 | 1998 | China | - | 7.3 | 2012 | Turkey | PeDP | 6.2 |
1974 | UK | SC | 4.4 | 1999 | S Arabia | DP | 4.2 | 2012 | Portugal | DP | 6.1 |
1974 | Switzerland | SC | 7.7 | 1999 | Brazil | OP | 6.3 | 2012 | S Arabia | DP | 4.7 |
1974 | Norway | SC | 6.8 | 1999 | Japan | OP | 9.4 | 2012 | Iran | OP/DP | 10.9 |